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- /* Copyright (c) 1993 X Consortium
- Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
- Copyright 2009-2015 Pierre Ossman for Cendio AB
-
- Permission is hereby granted, free of charge, to any person obtaining
- a copy of this software and associated documentation files (the
- "Software"), to deal in the Software without restriction, including
- without limitation the rights to use, copy, modify, merge, publish,
- distribute, sublicense, and/or sell copies of the Software, and to
- permit persons to whom the Software is furnished to do so, subject to
- the following conditions:
-
- The above copyright notice and this permission notice shall be included
- in all copies or substantial portions of the Software.
-
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
- OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- OTHER DEALINGS IN THE SOFTWARE.
-
- Except as contained in this notice, the name of the X Consortium shall
- not be used in advertising or otherwise to promote the sale, use or
- other dealings in this Software without prior written authorization
- from the X Consortium.
-
- */
-
- #ifdef HAVE_DIX_CONFIG_H
- #include <dix-config.h>
- #endif
-
- #include "vncExtInit.h"
- #include "RFBGlue.h"
- #include "XorgGlue.h"
- #include "RandrGlue.h"
- #include "xorg-version.h"
-
- #ifdef WIN32
- #include <X11/Xwinsock.h>
- #endif
- #include <stdio.h>
- #include <X11/X.h>
- #define NEED_EVENTS
- #include <X11/Xproto.h>
- #include <X11/Xos.h>
- #include "scrnintstr.h"
- #if XORG >= 120
- #include "glx_extinit.h"
- #endif
- #include "servermd.h"
- #include "fb.h"
- #include "mi.h"
- #if XORG < 114
- #include "mibstore.h"
- #endif
- #include "colormapst.h"
- #include "gcstruct.h"
- #include "input.h"
- #include "mipointer.h"
- #include "micmap.h"
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <errno.h>
- #ifndef WIN32
- #include <sys/param.h>
- #endif
- #include <X11/XWDFile.h>
- #ifdef HAS_SHM
- #include <sys/ipc.h>
- #include <sys/shm.h>
- #endif /* HAS_SHM */
- #include "dix.h"
- #include "os.h"
- #include "miline.h"
- #include "inputstr.h"
- #include "randrstr.h"
- #ifdef DPMSExtension
- #include "dpmsproc.h"
- #endif
- #include <X11/keysym.h>
- extern char buildtime[];
- #undef VENDOR_RELEASE
- #undef VENDOR_STRING
- #include "version-config.h"
- #include "site.h"
-
- #define XVNCVERSION "TigerVNC 1.10.80"
- #define XVNCCOPYRIGHT ("Copyright (C) 1999-2019 TigerVNC Team and many others (see README.rst)\n" \
- "See https://www.tigervnc.org for information on TigerVNC.\n")
-
- #define VFB_DEFAULT_WIDTH 1024
- #define VFB_DEFAULT_HEIGHT 768
- #define VFB_DEFAULT_DEPTH 24
- #define VFB_DEFAULT_WHITEPIXEL 0xffffffff
- #define VFB_DEFAULT_BLACKPIXEL 0
- #define VFB_DEFAULT_LINEBIAS 0
- #define XWD_WINDOW_NAME_LEN 60
-
- typedef struct
- {
- int width;
- int height;
-
- int depth;
-
- /* Computed when allocated */
-
- int paddedBytesWidth;
- int paddedWidth;
-
- int bitsPerPixel;
-
- /* Private */
-
- int sizeInBytes;
-
- void *pfbMemory;
-
- #ifdef HAS_SHM
- int shmid;
- #endif
- } vfbFramebufferInfo, *vfbFramebufferInfoPtr;
-
- typedef struct
- {
- int scrnum;
-
- Pixel blackPixel;
- Pixel whitePixel;
-
- unsigned int lineBias;
-
- CloseScreenProcPtr closeScreen;
-
- vfbFramebufferInfo fb;
-
- Bool pixelFormatDefined;
- Bool rgbNotBgr;
- int redBits, greenBits, blueBits;
- } vfbScreenInfo, *vfbScreenInfoPtr;
-
- static int vfbNumScreens;
- static vfbScreenInfo vfbScreens[MAXSCREENS];
- static Bool vfbPixmapDepths[33];
- typedef enum { NORMAL_MEMORY_FB, SHARED_MEMORY_FB } fbMemType;
- static fbMemType fbmemtype = NORMAL_MEMORY_FB;
- static int lastScreen = -1;
- static Bool Render = TRUE;
-
- static Bool displaySpecified = FALSE;
- static char displayNumStr[16];
-
- static int vncVerbose = DEFAULT_LOG_VERBOSITY;
-
-
- static void
- vncPrintBanner(void)
- {
- ErrorF("\nXvnc %s - built %s\n%s", XVNCVERSION, buildtime, XVNCCOPYRIGHT);
- ErrorF("Underlying X server release %d, %s\n\n", VENDOR_RELEASE,
- VENDOR_STRING);
- }
-
- static void
- vfbInitializePixmapDepths(void)
- {
- int i;
- vfbPixmapDepths[1] = TRUE; /* always need bitmaps */
- for (i = 2; i <= 32; i++)
- vfbPixmapDepths[i] = FALSE;
- }
-
- static void
- vfbInitializeDefaultScreens(void)
- {
- int i;
-
- for (i = 0; i < MAXSCREENS; i++)
- {
- vfbScreens[i].scrnum = i;
- vfbScreens[i].blackPixel = VFB_DEFAULT_BLACKPIXEL;
- vfbScreens[i].whitePixel = VFB_DEFAULT_WHITEPIXEL;
- vfbScreens[i].lineBias = VFB_DEFAULT_LINEBIAS;
- vfbScreens[i].fb.width = VFB_DEFAULT_WIDTH;
- vfbScreens[i].fb.height = VFB_DEFAULT_HEIGHT;
- vfbScreens[i].fb.pfbMemory = NULL;
- vfbScreens[i].fb.depth = VFB_DEFAULT_DEPTH;
- vfbScreens[i].pixelFormatDefined = FALSE;
- }
- vfbNumScreens = 1;
- }
-
- static int
- vfbBitsPerPixel(int depth)
- {
- if (depth == 1) return 1;
- else if (depth <= 8) return 8;
- else if (depth <= 16) return 16;
- else return 32;
- }
-
- static void vfbFreeFramebufferMemory(vfbFramebufferInfoPtr pfb);
-
- #ifdef DPMSExtension
- #if XORG < 120
- /* Why support DPMS? Because stupid modern desktop environments
- such as Unity 2D on Ubuntu 11.10 crashes if DPMS is not
- available. (DPMSSet is called by dpms.c, but the return value
- is ignored.) */
- int DPMSSet(ClientPtr client, int level)
- {
- return Success;
- }
-
- Bool DPMSSupported(void)
- {
- /* Causes DPMSCapable to return false, meaning no devices are DPMS
- capable */
- return FALSE;
- }
- #endif
- #endif
-
- #if XORG < 111
- void ddxGiveUp()
- #else
- void ddxGiveUp(enum ExitCode error)
- #endif
- {
- int i;
-
- /* clean up the framebuffers */
- for (i = 0; i < vfbNumScreens; i++)
- vfbFreeFramebufferMemory(&vfbScreens[i].fb);
- }
-
- void
- #if XORG < 111
- AbortDDX()
- #else
- AbortDDX(enum ExitCode error)
- #endif
- {
- #if XORG < 111
- ddxGiveUp();
- #else
- ddxGiveUp(error);
- #endif
- }
-
- #ifdef __DARWIN__
- void
- DarwinHandleGUI(int argc, char *argv[])
- {
- }
-
- void GlxExtensionInit();
- void GlxWrapInitVisuals(void *procPtr);
-
- void
- DarwinGlxExtensionInit()
- {
- GlxExtensionInit();
- }
-
- void
- DarwinGlxWrapInitVisuals(
- void *procPtr)
- {
- GlxWrapInitVisuals(procPtr);
- }
- #endif
-
- void
- OsVendorInit(void)
- {
- }
-
- void
- #if XORG < 113
- OsVendorFatalError()
- #else
- OsVendorFatalError(const char *f, va_list args)
- #endif
- {
- }
-
- #ifdef DDXBEFORERESET
- void ddxBeforeReset(void)
- {
- return;
- }
- #endif
-
- void ddxUseMsg(void)
- {
- vncPrintBanner();
-
- ErrorF("-screen scrn WxHxD set screen's width, height, depth\n");
- ErrorF("-pixdepths list-of-int support given pixmap depths\n");
- #ifdef RENDER
- ErrorF("+/-render turn on/off RENDER extension support"
- "(default on)\n");
- #endif
- ErrorF("-linebias n adjust thin line pixelization\n");
- ErrorF("-blackpixel n pixel value for black\n");
- ErrorF("-whitepixel n pixel value for white\n");
-
- #ifdef HAS_SHM
- ErrorF("-shmem put framebuffers in shared memory\n");
- #endif
-
- ErrorF("-geometry WxH set screen 0's width, height\n");
- ErrorF("-depth D set screen 0's depth\n");
- ErrorF("-pixelformat fmt set pixel format (rgbNNN or bgrNNN)\n");
- ErrorF("-inetd has been launched from inetd\n");
- ErrorF("-noclipboard disable clipboard settings modification via vncconfig utility\n");
- ErrorF("-verbose [n] verbose startup messages\n");
- ErrorF("-quiet minimal startup messages\n");
- ErrorF("-version show the server version\n");
- ErrorF("\nVNC parameters:\n");
-
- fprintf(stderr,"\n"
- "Parameters can be turned on with -<param> or off with -<param>=0\n"
- "Parameters which take a value can be specified as "
- "-<param> <value>\n"
- "Other valid forms are <param>=<value> -<param>=<value> "
- "--<param>=<value>\n"
- "Parameter names are case-insensitive. The parameters are:\n\n");
- vncListParams(79, 14);
- }
-
- static
- Bool displayNumFree(int num)
- {
- char file[256];
- if (vncIsTCPPortUsed(6000+num))
- return FALSE;
- sprintf(file, "/tmp/.X%d-lock", num);
- if (access(file, F_OK) == 0)
- return FALSE;
- sprintf(file, "/tmp/.X11-unix/X%d", num);
- if (access(file, F_OK) == 0)
- return FALSE;
- sprintf(file, "/usr/spool/sockets/X11/%d", num);
- if (access(file, F_OK) == 0)
- return FALSE;
- return TRUE;
- }
-
- #define fail_unless_args(_argc,_i,_n) \
- if (_i + _n >= _argc) \
- { \
- UseMsg(); \
- return 0; \
- }
-
- int
- ddxProcessArgument(int argc, char *argv[], int i)
- {
- static Bool firstTime = TRUE;
-
- if (firstTime)
- {
- /* Force -noreset as default until we properly handle resets */
- dispatchExceptionAtReset = 0;
-
- vfbInitializeDefaultScreens();
- vfbInitializePixmapDepths();
- firstTime = FALSE;
- vncInitRFB();
- }
-
- if (argv[i][0] == ':')
- displaySpecified = TRUE;
-
- if (strcmp (argv[i], "-screen") == 0) /* -screen n WxHxD */
- {
- int screenNum;
- fail_unless_args(argc, i, 2);
- screenNum = atoi(argv[i+1]);
- if (screenNum < 0 || screenNum >= MAXSCREENS)
- {
- ErrorF("Invalid screen number %d\n", screenNum);
- UseMsg();
- return 0;
- }
- if (3 != sscanf(argv[i+2], "%dx%dx%d",
- &vfbScreens[screenNum].fb.width,
- &vfbScreens[screenNum].fb.height,
- &vfbScreens[screenNum].fb.depth))
- {
- ErrorF("Invalid screen configuration %s\n", argv[i+2]);
- UseMsg();
- return 0;
- }
-
- if (screenNum >= vfbNumScreens)
- vfbNumScreens = screenNum + 1;
- lastScreen = screenNum;
- return 3;
- }
-
- if (strcmp (argv[i], "-pixdepths") == 0) /* -pixdepths list-of-depth */
- {
- int depth, ret = 1;
-
- fail_unless_args(argc, i, 1);
- ++i;
- while ((i < argc) && (depth = atoi(argv[i++])) != 0)
- {
- if (depth < 0 || depth > 32)
- {
- ErrorF("Invalid pixmap depth %d\n", depth);
- UseMsg();
- return 0;
- }
- vfbPixmapDepths[depth] = TRUE;
- ret++;
- }
- return ret;
- }
-
- if (strcmp (argv[i], "+render") == 0) /* +render */
- {
- Render = TRUE;
- return 1;
- }
-
- if (strcmp (argv[i], "-render") == 0) /* -render */
- {
- Render = FALSE;
- return 1;
- }
-
- if (strcmp (argv[i], "-blackpixel") == 0) /* -blackpixel n */
- {
- Pixel pix;
- fail_unless_args(argc, i, 1);
- ++i;
- pix = atoi(argv[i]);
- if (-1 == lastScreen)
- {
- int j;
- for (j = 0; j < MAXSCREENS; j++)
- {
- vfbScreens[j].blackPixel = pix;
- }
- }
- else
- {
- vfbScreens[lastScreen].blackPixel = pix;
- }
- return 2;
- }
-
- if (strcmp (argv[i], "-whitepixel") == 0) /* -whitepixel n */
- {
- Pixel pix;
- fail_unless_args(argc, i, 1);
- ++i;
- pix = atoi(argv[i]);
- if (-1 == lastScreen)
- {
- int j;
- for (j = 0; j < MAXSCREENS; j++)
- {
- vfbScreens[j].whitePixel = pix;
- }
- }
- else
- {
- vfbScreens[lastScreen].whitePixel = pix;
- }
- return 2;
- }
-
- if (strcmp (argv[i], "-linebias") == 0) /* -linebias n */
- {
- unsigned int linebias;
- fail_unless_args(argc, i, 1);
- ++i;
- linebias = atoi(argv[i]);
- if (-1 == lastScreen)
- {
- int j;
- for (j = 0; j < MAXSCREENS; j++)
- {
- vfbScreens[j].lineBias = linebias;
- }
- }
- else
- {
- vfbScreens[lastScreen].lineBias = linebias;
- }
- return 2;
- }
-
- #ifdef HAS_SHM
- if (strcmp (argv[i], "-shmem") == 0) /* -shmem */
- {
- fbmemtype = SHARED_MEMORY_FB;
- return 1;
- }
- #endif
-
- if (strcmp(argv[i], "-geometry") == 0)
- {
- fail_unless_args(argc, i, 1);
- ++i;
- if (sscanf(argv[i],"%dx%d",&vfbScreens[0].fb.width,
- &vfbScreens[0].fb.height) != 2) {
- ErrorF("Invalid geometry %s\n", argv[i]);
- UseMsg();
- return 0;
- }
- return 2;
- }
-
- if (strcmp(argv[i], "-depth") == 0)
- {
- fail_unless_args(argc, i, 1);
- ++i;
- vfbScreens[0].fb.depth = atoi(argv[i]);
- return 2;
- }
-
- if (strcmp(argv[i], "-pixelformat") == 0)
- {
- char rgbbgr[4];
- int bits1, bits2, bits3;
- fail_unless_args(argc, i, 1);
- ++i;
- if (sscanf(argv[i], "%3s%1d%1d%1d", rgbbgr,&bits1,&bits2,&bits3) < 4) {
- ErrorF("Invalid pixel format %s\n", argv[i]);
- UseMsg();
- return 0;
- }
-
- #define SET_PIXEL_FORMAT(vfbScreen) \
- (vfbScreen).pixelFormatDefined = TRUE; \
- (vfbScreen).fb.depth = bits1 + bits2 + bits3; \
- (vfbScreen).greenBits = bits2; \
- if (strcasecmp(rgbbgr, "bgr") == 0) { \
- (vfbScreen).rgbNotBgr = FALSE; \
- (vfbScreen).redBits = bits3; \
- (vfbScreen).blueBits = bits1; \
- } else if (strcasecmp(rgbbgr, "rgb") == 0) { \
- (vfbScreen).rgbNotBgr = TRUE; \
- (vfbScreen).redBits = bits1; \
- (vfbScreen).blueBits = bits3; \
- } else { \
- ErrorF("Invalid pixel format %s\n", argv[i]); \
- UseMsg(); \
- return 0; \
- }
-
- if (-1 == lastScreen)
- {
- int j;
- for (j = 0; j < MAXSCREENS; j++)
- {
- SET_PIXEL_FORMAT(vfbScreens[j]);
- }
- }
- else
- {
- SET_PIXEL_FORMAT(vfbScreens[lastScreen]);
- }
-
- return 2;
- }
-
- if (strcmp(argv[i], "-inetd") == 0)
- {
- int nullfd;
-
- dup2(0,3);
- vncInetdSock = 3;
-
- /* Avoid xserver >= 1.19's epoll-fd becoming fd 2 / stderr only to be
- replaced by /dev/null by OsInit() because the pollfd is not
- writable, breaking ospoll_wait(). */
- nullfd = open("/dev/null", O_WRONLY);
- dup2(nullfd, 2);
- close(nullfd);
-
- if (!displaySpecified) {
- int port = vncGetSocketPort(vncInetdSock);
- int displayNum = port - 5900;
- if (displayNum < 0 || displayNum > 99 || !displayNumFree(displayNum)) {
- for (displayNum = 1; displayNum < 100; displayNum++)
- if (displayNumFree(displayNum)) break;
-
- if (displayNum == 100)
- FatalError("Xvnc error: no free display number for -inetd");
- }
-
- display = displayNumStr;
- sprintf(displayNumStr, "%d", displayNum);
- }
-
- return 1;
- }
-
- if (strcmp(argv[i], "-noclipboard") == 0) {
- vncNoClipboard = 1;
- return 1;
- }
-
- if (!strcmp(argv[i], "-verbose")) {
- if (++i < argc && argv[i]) {
- char *end;
- long val;
-
- val = strtol(argv[i], &end, 0);
- if (*end == '\0') {
- vncVerbose = val;
- LogSetParameter(XLOG_VERBOSITY, vncVerbose);
- return 2;
- }
- }
- vncVerbose++;
- LogSetParameter(XLOG_VERBOSITY, vncVerbose);
- return 1;
- }
-
- if (!strcmp(argv[i], "-quiet")) {
- vncVerbose = -1;
- LogSetParameter(XLOG_VERBOSITY, vncVerbose);
- return 1;
- }
-
- if (!strcmp(argv[i], "-showconfig") || !strcmp(argv[i], "-version")) {
- vncPrintBanner();
- exit(0);
- }
-
- if (vncSetParamSimple(argv[i]))
- return 1;
-
- if (argv[i][0] == '-' && i+1 < argc) {
- if (vncSetParam(&argv[i][1], argv[i+1]))
- return 2;
- }
-
- return 0;
- }
-
- #ifdef DDXTIME /* from ServerOSDefines */
- CARD32
- GetTimeInMillis()
- {
- struct timeval tp;
-
- X_GETTIMEOFDAY(&tp);
- return(tp.tv_sec * 1000) + (tp.tv_usec / 1000);
- }
- #endif
-
- #if XORG < 113
- static ColormapPtr InstalledMaps[MAXSCREENS];
- #else
- static DevPrivateKeyRec cmapScrPrivateKeyRec;
- #define cmapScrPrivateKey (&cmapScrPrivateKeyRec)
- #define GetInstalledColormap(s) ((ColormapPtr) dixLookupPrivate(&(s)->devPrivates, cmapScrPrivateKey))
- #define SetInstalledColormap(s,c) (dixSetPrivate(&(s)->devPrivates, cmapScrPrivateKey, c))
- #endif
-
- static int
- vfbListInstalledColormaps(ScreenPtr pScreen, Colormap *pmaps)
- {
- /* By the time we are processing requests, we can guarantee that there
- * is always a colormap installed */
- #if XORG < 113
- *pmaps = InstalledMaps[pScreen->myNum]->mid;
- #else
- *pmaps = GetInstalledColormap(pScreen)->mid;
- #endif
- return (1);
- }
-
-
- static void
- vfbInstallColormap(ColormapPtr pmap)
- {
- #if XORG < 113
- int index = pmap->pScreen->myNum;
- #endif
- ColormapPtr oldpmap;
-
- #if XORG < 113
- oldpmap = InstalledMaps[index];
- #else
- oldpmap = GetInstalledColormap(pmap->pScreen);
- #endif
-
- if (pmap != oldpmap)
- {
- int entries;
- VisualPtr pVisual;
- Pixel * ppix;
- xrgb * prgb;
- xColorItem *defs;
- int i;
-
- if(oldpmap != (ColormapPtr)None)
- WalkTree(pmap->pScreen, TellLostMap, (char *)&oldpmap->mid);
- /* Install pmap */
- #if XORG < 113
- InstalledMaps[index] = pmap;
- #else
- SetInstalledColormap(pmap->pScreen, pmap);
- #endif
- WalkTree(pmap->pScreen, TellGainedMap, (char *)&pmap->mid);
-
- entries = pmap->pVisual->ColormapEntries;
- pVisual = pmap->pVisual;
-
- ppix = (Pixel *)calloc(entries, sizeof(Pixel));
- prgb = (xrgb *)calloc(entries, sizeof(xrgb));
- defs = (xColorItem *)calloc(entries, sizeof(xColorItem));
- if (!ppix || !prgb || !defs)
- FatalError ("Not enough memory for color map\n");
-
- for (i = 0; i < entries; i++) ppix[i] = i;
- /* XXX truecolor */
- #if XORG < 19
- QueryColors(pmap, entries, ppix, prgb);
- #else
- QueryColors(pmap, entries, ppix, prgb, serverClient);
- #endif
-
- for (i = 0; i < entries; i++) { /* convert xrgbs to xColorItems */
- defs[i].pixel = ppix[i] & 0xff; /* change pixel to index */
- defs[i].red = prgb[i].red;
- defs[i].green = prgb[i].green;
- defs[i].blue = prgb[i].blue;
- defs[i].flags = DoRed|DoGreen|DoBlue;
- }
- (*pmap->pScreen->StoreColors)(pmap, entries, defs);
-
- free(ppix);
- free(prgb);
- free(defs);
- }
- }
-
- static void
- vfbUninstallColormap(ColormapPtr pmap)
- {
- #if XORG < 113
- ColormapPtr curpmap = InstalledMaps[pmap->pScreen->myNum];
- #else
- ColormapPtr curpmap = GetInstalledColormap(pmap->pScreen);
- #endif
-
- if(pmap == curpmap)
- {
- if (pmap->mid != pmap->pScreen->defColormap)
- {
- #if XORG < 111
- curpmap = (ColormapPtr) LookupIDByType(pmap->pScreen->defColormap,
- RT_COLORMAP);
- #else
- int rc = dixLookupResourceByType((void * *) &curpmap, pmap->pScreen->defColormap,
- RT_COLORMAP, serverClient, DixUnknownAccess);
- if (rc != Success)
- ErrorF("Failed to uninstall color map\n");
- else
- #endif
- (*pmap->pScreen->InstallColormap)(curpmap);
- }
- }
- }
-
- static Bool
- vfbSaveScreen(ScreenPtr pScreen, int on)
- {
- return TRUE;
- }
-
- #ifdef HAS_SHM
- static void
- vfbAllocateSharedMemoryFramebuffer(vfbFramebufferInfoPtr pfb)
- {
- /* create the shared memory segment */
-
- pfb->shmid = shmget(IPC_PRIVATE, pfb->sizeInBytes, IPC_CREAT|0777);
- if (pfb->shmid < 0) {
- perror("shmget");
- ErrorF("shmget %d bytes failed, errno %d", pfb->sizeInBytes, errno);
- return;
- }
-
- /* try to attach it */
-
- pfb->pfbMemory = shmat(pfb->shmid, 0, 0);
- if (-1 == (long)pfb->pfbMemory) {
- perror("shmat");
- ErrorF("shmat failed, errno %d", errno);
- pfb->pfbMemory = NULL;
- return;
- }
- }
- #endif /* HAS_SHM */
-
-
- static void *
- vfbAllocateFramebufferMemory(vfbFramebufferInfoPtr pfb)
- {
- if (pfb->pfbMemory != NULL)
- return pfb->pfbMemory; /* already done */
-
- /* Compute memory layout */
- pfb->paddedBytesWidth = PixmapBytePad(pfb->width, pfb->depth);
- pfb->bitsPerPixel = vfbBitsPerPixel(pfb->depth);
- pfb->paddedWidth = pfb->paddedBytesWidth * 8 / pfb->bitsPerPixel;
- pfb->sizeInBytes = pfb->paddedBytesWidth * pfb->height;
-
- /* And allocate buffer */
- switch (fbmemtype) {
- #ifdef HAS_SHM
- case SHARED_MEMORY_FB:
- vfbAllocateSharedMemoryFramebuffer(pfb);
- break;
- #else
- case SHARED_MEMORY_FB:
- break;
- #endif
- case NORMAL_MEMORY_FB:
- pfb->pfbMemory = malloc(pfb->sizeInBytes);
- break;
- }
-
- /* This will be NULL if any of the above failed */
- return pfb->pfbMemory;
- }
-
- static void
- vfbFreeFramebufferMemory(vfbFramebufferInfoPtr pfb)
- {
- if ((pfb == NULL) || (pfb->pfbMemory == NULL))
- return;
-
- switch (fbmemtype) {
- #ifdef HAS_SHM
- case SHARED_MEMORY_FB:
- if (-1 == shmdt(pfb->pfbMemory)) {
- perror("shmdt");
- ErrorF("shmdt failed, errno %d", errno);
- }
- break;
- #else /* HAS_SHM */
- case SHARED_MEMORY_FB:
- break;
- #endif /* HAS_SHM */
- case NORMAL_MEMORY_FB:
- free(pfb->pfbMemory);
- break;
- }
-
- pfb->pfbMemory = NULL;
- }
-
- static Bool
- vfbCursorOffScreen (ScreenPtr *ppScreen, int *x, int *y)
- {
- int absX, absY;
- int i;
-
- if (screenInfo.numScreens == 1)
- return FALSE;
-
- if ((*x >= 0) && (*x < (*ppScreen)->width) &&
- (*y >= 0) && (*y < (*ppScreen)->height))
- return FALSE;
-
- absX = *x + (*ppScreen)->x;
- absY = *y + (*ppScreen)->y;
-
- for (i = 0;i < screenInfo.numScreens;i++) {
- ScreenPtr newScreen;
-
- newScreen = screenInfo.screens[i];
-
- if (absX < newScreen->x)
- continue;
- if (absY < newScreen->y)
- continue;
- if (absX >= (newScreen->x + newScreen->width))
- continue;
- if (absY >= (newScreen->y + newScreen->height))
- continue;
-
- *ppScreen = newScreen;
- *x = absX - newScreen->x;
- *y = absY - newScreen->y;
-
- return TRUE;
- }
-
- return FALSE;
- }
-
- static void
- vfbCrossScreen (ScreenPtr pScreen, Bool entering)
- {
- }
-
- static Bool vfbRealizeCursor(DeviceIntPtr pDev,
- ScreenPtr pScreen, CursorPtr pCursor)
- {
- return TRUE;
- }
-
- static Bool vfbUnrealizeCursor(DeviceIntPtr pDev,
- ScreenPtr pScreen, CursorPtr pCursor)
- {
- return TRUE;
- }
-
- static void vfbSetCursor(DeviceIntPtr pDev,
- ScreenPtr pScreen, CursorPtr pCursor, int x, int y)
- {
- }
-
- static void vfbMoveCursor(DeviceIntPtr pDev,
- ScreenPtr pScreen, int x, int y)
- {
- }
-
- static Bool
- vfbDeviceCursorInitialize(DeviceIntPtr pDev, ScreenPtr pScreen)
- {
- return TRUE;
- }
-
- static void
- vfbDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen)
- {
- }
-
- static miPointerSpriteFuncRec vfbPointerSpriteFuncs = {
- vfbRealizeCursor,
- vfbUnrealizeCursor,
- vfbSetCursor,
- vfbMoveCursor,
- vfbDeviceCursorInitialize,
- vfbDeviceCursorCleanup
- };
-
- static miPointerScreenFuncRec vfbPointerCursorFuncs = {
- vfbCursorOffScreen,
- vfbCrossScreen,
- miPointerWarpCursor
- };
-
-
- static Bool vncRandRGetInfo (ScreenPtr pScreen, Rotation *rotations)
- {
- // We update all information right away, so there is nothing to
- // do here.
- return TRUE;
- }
-
- /* from hw/xfree86/common/xf86Helper.c */
-
- #include "mivalidate.h"
- static void
- xf86SetRootClip (ScreenPtr pScreen, Bool enable)
- {
- #if XORG < 19
- WindowPtr pWin = WindowTable[pScreen->myNum];
- #else
- WindowPtr pWin = pScreen->root;
- #endif
- WindowPtr pChild;
- Bool WasViewable = (Bool)(pWin->viewable);
- Bool anyMarked = FALSE;
- #if XORG < 110
- RegionPtr pOldClip = NULL, bsExposed;
- #ifdef DO_SAVE_UNDERS
- Bool dosave = FALSE;
- #endif
- #endif
- WindowPtr pLayerWin;
- BoxRec box;
-
- if (WasViewable)
- {
- for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
- {
- (void) (*pScreen->MarkOverlappedWindows)(pChild,
- pChild,
- &pLayerWin);
- }
- (*pScreen->MarkWindow) (pWin);
- anyMarked = TRUE;
- if (pWin->valdata)
- {
- if (HasBorder (pWin))
- {
- RegionPtr borderVisible;
-
- borderVisible = REGION_CREATE(pScreen, NullBox, 1);
- REGION_SUBTRACT(pScreen, borderVisible,
- &pWin->borderClip, &pWin->winSize);
- pWin->valdata->before.borderVisible = borderVisible;
- }
- pWin->valdata->before.resized = TRUE;
- }
- }
-
- /*
- * Use REGION_BREAK to avoid optimizations in ValidateTree
- * that assume the root borderClip can't change well, normally
- * it doesn't...)
- */
- if (enable)
- {
- box.x1 = 0;
- box.y1 = 0;
- box.x2 = pScreen->width;
- box.y2 = pScreen->height;
- REGION_INIT (pScreen, &pWin->winSize, &box, 1);
- REGION_INIT (pScreen, &pWin->borderSize, &box, 1);
- if (WasViewable)
- REGION_RESET(pScreen, &pWin->borderClip, &box);
- pWin->drawable.width = pScreen->width;
- pWin->drawable.height = pScreen->height;
- REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);
- }
- else
- {
- REGION_EMPTY(pScreen, &pWin->borderClip);
- REGION_BREAK (pWin->drawable.pScreen, &pWin->clipList);
- }
-
- ResizeChildrenWinSize (pWin, 0, 0, 0, 0);
-
- if (WasViewable)
- {
- #if XORG < 110
- if (pWin->backStorage)
- {
- pOldClip = REGION_CREATE(pScreen, NullBox, 1);
- REGION_COPY(pScreen, pOldClip, &pWin->clipList);
- }
- #endif
-
- if (pWin->firstChild)
- {
- anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin->firstChild,
- pWin->firstChild,
- (WindowPtr *)NULL);
- }
- else
- {
- (*pScreen->MarkWindow) (pWin);
- anyMarked = TRUE;
- }
-
- #if XORG < 110 && defined(DO_SAVE_UNDERS)
- if (DO_SAVE_UNDERS(pWin))
- {
- dosave = (*pScreen->ChangeSaveUnder)(pLayerWin, pLayerWin);
- }
- #endif /* DO_SAVE_UNDERS */
-
- if (anyMarked)
- (*pScreen->ValidateTree)(pWin, NullWindow, VTOther);
- }
-
- #if XORG < 110
- if (pWin->backStorage &&
- ((pWin->backingStore == Always) || WasViewable))
- {
- if (!WasViewable)
- pOldClip = &pWin->clipList; /* a convenient empty region */
- bsExposed = (*pScreen->TranslateBackingStore)
- (pWin, 0, 0, pOldClip,
- pWin->drawable.x, pWin->drawable.y);
- if (WasViewable)
- REGION_DESTROY(pScreen, pOldClip);
- if (bsExposed)
- {
- RegionPtr valExposed = NullRegion;
-
- if (pWin->valdata)
- valExposed = &pWin->valdata->after.exposed;
- (*pScreen->WindowExposures) (pWin, valExposed, bsExposed);
- if (valExposed)
- REGION_EMPTY(pScreen, valExposed);
- REGION_DESTROY(pScreen, bsExposed);
- }
- }
- #endif
- if (WasViewable)
- {
- if (anyMarked)
- (*pScreen->HandleExposures)(pWin);
-
- #if XORG < 110 && defined(DO_SAVE_UNDERS)
- if (dosave)
- (*pScreen->PostChangeSaveUnder)(pLayerWin, pLayerWin);
- #endif /* DO_SAVE_UNDERS */
- if (anyMarked && pScreen->PostValidateTree)
- (*pScreen->PostValidateTree)(pWin, NullWindow, VTOther);
- }
- if (pWin->realized)
- WindowsRestructured ();
- FlushAllOutput ();
- }
-
- static Bool vncRandRCrtcSet(ScreenPtr pScreen, RRCrtcPtr crtc, RRModePtr mode,
- int x, int y, Rotation rotation, int num_outputs,
- RROutputPtr *outputs);
- static RRModePtr vncRandRModeGet(int width, int height);
-
- static Bool vncRandRScreenSetSize(ScreenPtr pScreen,
- CARD16 width, CARD16 height,
- CARD32 mmWidth, CARD32 mmHeight)
- {
- vfbScreenInfoPtr pvfb = &vfbScreens[pScreen->myNum];
- vfbFramebufferInfo fb;
- rrScrPrivPtr rp = rrGetScrPriv(pScreen);
- PixmapPtr rootPixmap = pScreen->GetScreenPixmap(pScreen);
- void *pbits;
- Bool ret;
- int oldwidth, oldheight, oldmmWidth, oldmmHeight;
-
- /* Prevent updates while we fiddle */
- xf86SetRootClip(pScreen, FALSE);
-
- /* Store current state in case we fail */
- oldwidth = pScreen->width;
- oldheight = pScreen->height;
- oldmmWidth = pScreen->mmWidth;
- oldmmHeight = pScreen->mmHeight;
-
- /* Then set the new dimensions */
- pScreen->width = width;
- pScreen->height = height;
- pScreen->mmWidth = mmWidth;
- pScreen->mmHeight = mmHeight;
-
- /* Allocate a new framebuffer */
- memset(&fb, 0, sizeof(vfbFramebufferInfo));
-
- fb.width = pScreen->width;
- fb.height = pScreen->height;
- fb.depth = pvfb->fb.depth;
-
- pbits = vfbAllocateFramebufferMemory(&fb);
- if (!pbits) {
- /* Allocation failed. Restore old state */
- pScreen->width = oldwidth;
- pScreen->height = oldheight;
- pScreen->mmWidth = oldmmWidth;
- pScreen->mmHeight = oldmmHeight;
-
- xf86SetRootClip(pScreen, TRUE);
-
- return FALSE;
- }
-
- /* Update root pixmap with the new dimensions and buffer */
- ret = pScreen->ModifyPixmapHeader(rootPixmap, fb.width, fb.height,
- -1, -1, fb.paddedBytesWidth, pbits);
- if (!ret) {
- /* Update failed. Free the new framebuffer and restore old state */
- vfbFreeFramebufferMemory(&fb);
-
- pScreen->width = oldwidth;
- pScreen->height = oldheight;
- pScreen->mmWidth = oldmmWidth;
- pScreen->mmHeight = oldmmHeight;
-
- xf86SetRootClip(pScreen, TRUE);
-
- return FALSE;
- }
-
- /* Free the old framebuffer and keep the info about the new one */
- vfbFreeFramebufferMemory(&pvfb->fb);
- memcpy(&pvfb->fb, &fb, sizeof(vfbFramebufferInfo));
-
- /* Let VNC get the new framebuffer (actual update is in vncHooks.cc) */
- vncFbptr[pScreen->myNum] = pbits;
- vncFbstride[pScreen->myNum] = fb.paddedWidth;
-
- /* Restore ability to update screen, now with new dimensions */
- xf86SetRootClip(pScreen, TRUE);
-
- /*
- * Let RandR know we changed something (it doesn't assume that
- * TRUE means something changed for some reason...).
- */
- RRScreenSizeNotify(pScreen);
-
- /* Crop all CRTCs to the new screen */
- for (int i = 0;i < rp->numCrtcs;i++) {
- RRCrtcPtr crtc;
- RRModePtr mode;
-
- crtc = rp->crtcs[i];
-
- /* Disabled? */
- if (crtc->mode == NULL)
- continue;
-
- /* Fully inside? */
- if ((crtc->x + crtc->mode->mode.width <= width) &&
- (crtc->y + crtc->mode->mode.height <= height))
- continue;
-
- /* Fully outside? */
- if ((crtc->x >= width) || (crtc->y >= height)) {
- /* Disable it */
- ret = vncRandRCrtcSet(pScreen, crtc, NULL,
- crtc->x, crtc->y, crtc->rotation, 0, NULL);
- if (!ret)
- ErrorF("Warning: Unable to disable CRTC that is outside of new screen dimensions");
- continue;
- }
-
- /* Just needs to be resized to a temporary mode */
- mode = vncRandRModeGet(width - crtc->x, height - crtc->y);
- if (mode == NULL) {
- ErrorF("Warning: Unable to create custom mode for %dx%d",
- width - crtc->x, height - crtc->y);
- continue;
- }
-
- ret = vncRandRCrtcSet(pScreen, crtc, mode,
- crtc->x, crtc->y, crtc->rotation,
- crtc->numOutputs, crtc->outputs);
- RRModeDestroy(mode);
- if (!ret)
- ErrorF("Warning: Unable to crop CRTC to new screen dimensions");
- }
-
- return TRUE;
- }
-
- static Bool vncRandRCrtcSet(ScreenPtr pScreen, RRCrtcPtr crtc, RRModePtr mode,
- int x, int y, Rotation rotation, int num_outputs,
- RROutputPtr *outputs)
- {
- Bool ret;
- int i;
-
- /*
- * Some applications get confused by a connected output without a
- * mode or CRTC, so we need to fiddle with the connection state as well.
- */
- for (i = 0;i < crtc->numOutputs;i++)
- RROutputSetConnection(crtc->outputs[i], RR_Disconnected);
-
- for (i = 0;i < num_outputs;i++) {
- if (mode != NULL)
- RROutputSetConnection(outputs[i], RR_Connected);
- else
- RROutputSetConnection(outputs[i], RR_Disconnected);
- }
-
- /* Let RandR know we approve, and let it update its internal state */
- ret = RRCrtcNotify(crtc, mode, x, y, rotation, NULL, num_outputs, outputs);
- if (!ret)
- return FALSE;
-
- return TRUE;
- }
-
- static Bool vncRandROutputValidateMode(ScreenPtr pScreen,
- RROutputPtr output, RRModePtr mode)
- {
- /* We have no hardware so any mode works */
- return TRUE;
- }
-
- static void vncRandRModeDestroy(ScreenPtr pScreen, RRModePtr mode)
- {
- /* We haven't allocated anything so nothing to destroy */
- }
-
- static const int vncRandRWidths[] = { 1920, 1920, 1600, 1680, 1400, 1360, 1280, 1280, 1280, 1280, 1024, 800, 640 };
- static const int vncRandRHeights[] = { 1200, 1080, 1200, 1050, 1050, 768, 1024, 960, 800, 720, 768, 600, 480 };
-
- static int vncRandRIndex = 0;
-
- static RRModePtr vncRandRModeGet(int width, int height)
- {
- xRRModeInfo modeInfo;
- char name[100];
- RRModePtr mode;
-
- memset(&modeInfo, 0, sizeof(modeInfo));
- sprintf(name, "%dx%d", width, height);
-
- modeInfo.width = width;
- modeInfo.height = height;
- modeInfo.hTotal = width;
- modeInfo.vTotal = height;
- modeInfo.dotClock = ((CARD32)width * (CARD32)height * 60);
- modeInfo.nameLength = strlen(name);
- mode = RRModeGet(&modeInfo, name);
- if (mode == NULL)
- return NULL;
-
- return mode;
- }
-
- static void vncRandRSetModes(RROutputPtr output, int pref_width, int pref_height)
- {
- RRModePtr mode;
- RRModePtr *modes;
- int i, num_modes, num_pref;
-
- num_modes = sizeof(vncRandRWidths)/sizeof(*vncRandRWidths) + 1;
- modes = malloc(sizeof(RRModePtr)*num_modes);
- if (modes == NULL)
- return;
-
- num_modes = 0;
- num_pref = 0;
-
- if ((pref_width > 0) && (pref_height > 0)) {
- mode = vncRandRModeGet(pref_width, pref_height);
- if (mode != NULL) {
- modes[num_modes] = mode;
- num_modes++;
- num_pref++;
- }
- }
-
- for (i = 0;i < sizeof(vncRandRWidths)/sizeof(*vncRandRWidths);i++) {
- if ((vncRandRWidths[i] == pref_width) &&
- (vncRandRHeights[i] == pref_height))
- continue;
- mode = vncRandRModeGet(vncRandRWidths[i], vncRandRHeights[i]);
- if (mode != NULL) {
- modes[num_modes] = mode;
- num_modes++;
- }
- }
-
- RROutputSetModes(output, modes, num_modes, num_pref);
-
- free(modes);
- }
-
- static RRCrtcPtr vncRandRCrtcCreate(ScreenPtr pScreen)
- {
- RRCrtcPtr crtc;
- RROutputPtr output;
- char name[100];
-
- /* First we create the CRTC... */
- crtc = RRCrtcCreate(pScreen, NULL);
-
- /* We don't actually support gamma, but xrandr complains when it is missing */
- RRCrtcGammaSetSize (crtc, 256);
-
- /* Then we create a dummy output for it... */
- sprintf(name, "VNC-%d", vncRandRIndex);
- vncRandRIndex++;
-
- output = RROutputCreate(pScreen, name, strlen(name), NULL);
-
- RROutputSetCrtcs(output, &crtc, 1);
- RROutputSetConnection(output, RR_Disconnected);
-
- /* Make sure the CRTC has this output set */
- vncRandRCrtcSet(pScreen, crtc, NULL, 0, 0, RR_Rotate_0, 1, &output);
-
- /* Populate a list of default modes */
- vncRandRSetModes(output, -1, -1);
-
- return crtc;
- }
-
- /* Used from XserverDesktop when it needs more outputs... */
-
- int vncRandRCanCreateScreenOutputs(int scrIdx, int extraOutputs)
- {
- return 1;
- }
-
- int vncRandRCreateScreenOutputs(int scrIdx, int extraOutputs)
- {
- RRCrtcPtr crtc;
-
- while (extraOutputs > 0) {
- crtc = vncRandRCrtcCreate(screenInfo.screens[scrIdx]);
- if (crtc == NULL)
- return 0;
- extraOutputs--;
- }
-
- return 1;
- }
-
- /* Creating and modifying modes, used by XserverDesktop and init here */
-
- int vncRandRCanCreateModes()
- {
- return 1;
- }
-
- void* vncRandRCreateMode(void* out, int width, int height)
- {
- RROutputPtr output;
-
- output = out;
-
- /* Do we already have the mode? */
- for (int i = 0; i < output->numModes; i++) {
- if ((output->modes[i]->mode.width == width) &&
- (output->modes[i]->mode.height == height))
- return output->modes[i];
- }
-
- /* Just recreate the entire list */
- vncRandRSetModes(output, width, height);
-
- /* Find the new mode */
- for (int i = 0; i < output->numModes; i++) {
- if ((output->modes[i]->mode.width == width) &&
- (output->modes[i]->mode.height == height))
- return output->modes[i];
- }
-
- /* Something went horribly wrong */
- return NULL;
- }
-
- void* vncRandRSetPreferredMode(void* out, void* m)
- {
- RRModePtr mode;
- RROutputPtr output;
- int width, height;
-
- mode = m;
- output = out;
-
- width = mode->mode.width;
- height = mode->mode.height;
-
- /* Already the preferred mode? */
- if ((output->numModes >= 1) && (output->numPreferred == 1) &&
- (output->modes[0] == mode))
- return mode;
-
- /* Recreate the list, with the mode we want as preferred */
- vncRandRSetModes(output, width, height);
-
- /* Sanity check */
- if ((output->numModes >= 1) && (output->numPreferred == 1) &&
- (output->modes[0]->mode.width == width) &&
- (output->modes[0]->mode.height == height))
- return output->modes[0];
-
- /* Something went horribly wrong */
- return NULL;
- }
-
- static Bool vncRandRInit(ScreenPtr pScreen)
- {
- RRCrtcPtr crtc;
- RRModePtr mode;
- Bool ret;
-
- if (!RRInit())
- return FALSE;
-
- /* These are completely arbitrary */
- RRScreenSetSizeRange(pScreen, 32, 32, 32768, 32768);
-
- /*
- * Start with a single CRTC with a single output. More will be
- * allocated as needed...
- */
- crtc = vncRandRCrtcCreate(pScreen);
-
- /* Make sure the current screen size is the active mode */
- mode = vncRandRCreateMode(crtc->outputs[0],
- pScreen->width, pScreen->height);
- if (mode == NULL)
- return FALSE;
- mode = vncRandRSetPreferredMode(crtc->outputs[0], mode);
- if (mode == NULL)
- return FALSE;
-
- ret = vncRandRCrtcSet(pScreen, crtc, mode, 0, 0, RR_Rotate_0,
- crtc->numOutputs, crtc->outputs);
- if (!ret)
- return FALSE;
-
- return TRUE;
- }
-
-
- static Bool
- #if XORG < 113
- vfbCloseScreen(int index, ScreenPtr pScreen)
- #else
- vfbCloseScreen(ScreenPtr pScreen)
- #endif
- {
- #if XORG < 113
- vfbScreenInfoPtr pvfb = &vfbScreens[index];
- #else
- vfbScreenInfoPtr pvfb = &vfbScreens[pScreen->myNum];
- #endif
- int i;
-
- pScreen->CloseScreen = pvfb->closeScreen;
-
- /*
- * XXX probably lots of stuff to clean. For now,
- * clear installed colormaps so that server reset works correctly.
- */
- #if XORG < 113
- for (i = 0; i < MAXSCREENS; i++)
- InstalledMaps[i] = NULL;
-
- return pScreen->CloseScreen(index, pScreen);
- #else
- for (i = 0; i < screenInfo.numScreens; i++)
- SetInstalledColormap(screenInfo.screens[i], NULL);
-
- /*
- * fb overwrites miCloseScreen, so do this here
- */
- if (pScreen->devPrivate)
- (*pScreen->DestroyPixmap) ((PixmapPtr) pScreen->devPrivate);
- pScreen->devPrivate = NULL;
-
- return pScreen->CloseScreen(pScreen);
- #endif
- }
-
- static Bool
- #if XORG < 113
- vfbScreenInit(int index, ScreenPtr pScreen, int argc, char **argv)
- #else
- vfbScreenInit(ScreenPtr pScreen, int argc, char **argv)
- #endif
- {
- #if XORG >= 113
- int index = pScreen->myNum;
- #endif
- vfbScreenInfoPtr pvfb = &vfbScreens[index];
- int dpi;
- int ret;
- void *pbits;
-
- rrScrPrivPtr rp;
-
- #if XORG >= 113
- if (!dixRegisterPrivateKey(&cmapScrPrivateKeyRec, PRIVATE_SCREEN, 0))
- return FALSE;
- #endif
-
- /* 96 is the default used by most other systems */
- dpi = 96;
- if (monitorResolution)
- dpi = monitorResolution;
-
- pbits = vfbAllocateFramebufferMemory(&pvfb->fb);
- if (!pbits) return FALSE;
- vncFbptr[index] = pbits;
- vncFbstride[index] = pvfb->fb.paddedWidth;
-
- miSetPixmapDepths();
-
- switch (pvfb->fb.depth) {
- case 8:
- miSetVisualTypesAndMasks (8,
- ((1 << StaticGray) |
- (1 << GrayScale) |
- (1 << StaticColor) |
- (1 << PseudoColor) |
- (1 << TrueColor) |
- (1 << DirectColor)),
- 8, PseudoColor, 0, 0, 0);
- break;
- case 16:
- miSetVisualTypesAndMasks (16,
- ((1 << TrueColor) |
- (1 << DirectColor)),
- 8, TrueColor, 0xf800, 0x07e0, 0x001f);
- break;
- case 24:
- miSetVisualTypesAndMasks (24,
- ((1 << TrueColor) |
- (1 << DirectColor)),
- 8, TrueColor, 0xff0000, 0x00ff00, 0x0000ff);
- break;
- case 32:
- miSetVisualTypesAndMasks (32,
- ((1 << TrueColor) |
- (1 << DirectColor)),
- 8, TrueColor, 0xff000000, 0x00ff0000, 0x0000ff00);
- break;
- default:
- return FALSE;
- }
-
- if (index > 0) {
- ScreenPtr prevScreen = screenInfo.screens[index-1];
- pScreen->x = prevScreen->x + prevScreen->width;
- pScreen->y = 0;
- }
-
- ret = fbScreenInit(pScreen, pbits, pvfb->fb.width, pvfb->fb.height,
- dpi, dpi, pvfb->fb.paddedWidth, pvfb->fb.bitsPerPixel);
-
- #ifdef RENDER
- if (ret && Render)
- ret = fbPictureInit (pScreen, 0, 0);
- #endif
-
- if (!ret) return FALSE;
-
- #if XORG < 110
- miInitializeBackingStore(pScreen);
- #endif
-
- /*
- * Circumvent the backing store that was just initialised. This amounts
- * to a truely bizarre way of initialising SaveDoomedAreas and friends.
- */
-
- pScreen->InstallColormap = vfbInstallColormap;
- pScreen->UninstallColormap = vfbUninstallColormap;
- pScreen->ListInstalledColormaps = vfbListInstalledColormaps;
-
- pScreen->SaveScreen = vfbSaveScreen;
-
- miPointerInitialize(pScreen, &vfbPointerSpriteFuncs, &vfbPointerCursorFuncs,
- FALSE);
-
- pScreen->blackPixel = pvfb->blackPixel;
- pScreen->whitePixel = pvfb->whitePixel;
-
- if (!pvfb->pixelFormatDefined) {
- switch (pvfb->fb.depth) {
- case 16:
- pvfb->pixelFormatDefined = TRUE;
- pvfb->rgbNotBgr = TRUE;
- pvfb->blueBits = pvfb->redBits = 5;
- pvfb->greenBits = 6;
- break;
- case 24:
- case 32:
- pvfb->pixelFormatDefined = TRUE;
- pvfb->rgbNotBgr = TRUE;
- pvfb->blueBits = pvfb->redBits = pvfb->greenBits = 8;
- break;
- }
- }
-
- if (pvfb->pixelFormatDefined) {
- VisualPtr vis = pScreen->visuals;
- for (int i = 0; i < pScreen->numVisuals; i++) {
- if (pvfb->rgbNotBgr) {
- vis->offsetBlue = 0;
- vis->blueMask = (1 << pvfb->blueBits) - 1;
- vis->offsetGreen = pvfb->blueBits;
- vis->greenMask = ((1 << pvfb->greenBits) - 1) << vis->offsetGreen;
- vis->offsetRed = vis->offsetGreen + pvfb->greenBits;
- vis->redMask = ((1 << pvfb->redBits) - 1) << vis->offsetRed;
- } else {
- vis->offsetRed = 0;
- vis->redMask = (1 << pvfb->redBits) - 1;
- vis->offsetGreen = pvfb->redBits;
- vis->greenMask = ((1 << pvfb->greenBits) - 1) << vis->offsetGreen;
- vis->offsetBlue = vis->offsetGreen + pvfb->greenBits;
- vis->blueMask = ((1 << pvfb->blueBits) - 1) << vis->offsetBlue;
- }
- vis++;
- }
- }
-
- ret = fbCreateDefColormap(pScreen);
- if (!ret) return FALSE;
-
- miSetZeroLineBias(pScreen, pvfb->lineBias);
-
- pvfb->closeScreen = pScreen->CloseScreen;
- pScreen->CloseScreen = vfbCloseScreen;
-
- ret = RRScreenInit(pScreen);
- if (!ret) return FALSE;
-
- rp = rrGetScrPriv(pScreen);
-
- rp->rrGetInfo = vncRandRGetInfo;
- rp->rrSetConfig = NULL;
- rp->rrScreenSetSize = vncRandRScreenSetSize;
- rp->rrCrtcSet = vncRandRCrtcSet;
- rp->rrOutputValidateMode = vncRandROutputValidateMode;
- rp->rrModeDestroy = vncRandRModeDestroy;
-
- ret = vncRandRInit(pScreen);
- if (!ret) return FALSE;
-
-
- return TRUE;
-
- } /* end vfbScreenInit */
-
-
- static void vfbClientStateChange(CallbackListPtr *a, void *b, void *c) {
- if (dispatchException & DE_RESET) {
- ErrorF("Warning: VNC extension does not support -reset, terminating instead. Use -noreset to prevent termination.\n");
-
- dispatchException |= DE_TERMINATE;
- dispatchException &= ~DE_RESET;
- }
- }
-
- #if XORG >= 113
- #ifdef GLXEXT
- extern void GlxExtensionInit(void);
-
- static ExtensionModule glxExt = {
- GlxExtensionInit,
- "GLX",
- &noGlxExtension
- };
- #endif
- #endif
-
- void
- InitOutput(ScreenInfo *scrInfo, int argc, char **argv)
- {
- int i;
- int NumFormats = 0;
-
- vncPrintBanner();
-
- #if XORG >= 120
- xorgGlxCreateVendor();
- #else
-
- #if XORG >= 113
- #ifdef GLXEXT
- if (serverGeneration == 1)
- #if XORG >= 116
- LoadExtensionList(&glxExt, 1, TRUE);
- #else
- LoadExtension(&glxExt, TRUE);
- #endif
- #endif
- #endif
-
- #endif
-
- /* initialize pixmap formats */
-
- /* must have a pixmap depth to match every screen depth */
- for (i = 0; i < vfbNumScreens; i++)
- {
- vfbPixmapDepths[vfbScreens[i].fb.depth] = TRUE;
- }
-
- /* RENDER needs a good set of pixmaps. */
- if (Render) {
- vfbPixmapDepths[1] = TRUE;
- vfbPixmapDepths[4] = TRUE;
- vfbPixmapDepths[8] = TRUE;
- /* vfbPixmapDepths[15] = TRUE; */
- vfbPixmapDepths[16] = TRUE;
- vfbPixmapDepths[24] = TRUE;
- vfbPixmapDepths[32] = TRUE;
- }
-
- for (i = 1; i <= 32; i++)
- {
- if (vfbPixmapDepths[i])
- {
- if (NumFormats >= MAXFORMATS)
- FatalError ("MAXFORMATS is too small for this server\n");
- scrInfo->formats[NumFormats].depth = i;
- scrInfo->formats[NumFormats].bitsPerPixel = vfbBitsPerPixel(i);
- scrInfo->formats[NumFormats].scanlinePad = BITMAP_SCANLINE_PAD;
- NumFormats++;
- }
- }
-
- scrInfo->imageByteOrder = IMAGE_BYTE_ORDER;
- scrInfo->bitmapScanlineUnit = BITMAP_SCANLINE_UNIT;
- scrInfo->bitmapScanlinePad = BITMAP_SCANLINE_PAD;
- scrInfo->bitmapBitOrder = BITMAP_BIT_ORDER;
- scrInfo->numPixmapFormats = NumFormats;
-
- /* initialize screens */
-
- for (i = 0; i < vfbNumScreens; i++)
- {
- if (-1 == AddScreen(vfbScreenInit, argc, argv))
- {
- FatalError("Couldn't add screen %d", i);
- }
- }
-
- if (!AddCallback(&ClientStateCallback, vfbClientStateChange, 0)) {
- FatalError("AddCallback failed\n");
- }
- } /* end InitOutput */
-
- /* this is just to get the server to link on AIX */
- #ifdef AIXV3
- int SelectWaitTime = 10000; /* usec */
- #endif
-
- void DDXRingBell(int percent, int pitch, int duration)
- {
- if (percent > 0)
- vncBell();
- }
-
- Bool LegalModifier(unsigned int key, DeviceIntPtr pDev)
- {
- return TRUE;
- }
-
- void ProcessInputEvents(void)
- {
- mieqProcessInputEvents();
- }
-
- void InitInput(int argc, char *argv[])
- {
- mieqInit ();
- }
-
- #if XORG > 17
- void CloseInput(void)
- {
- }
- #endif
-
- void vncClientGone(int fd)
- {
- if (fd == vncInetdSock) {
- ErrorF("inetdSock client gone\n");
- GiveUp(0);
- }
- }
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